Characterization Of Neutron Fields Around An Intense Neutron Generator PDF Download
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Author | : Leslie Kicka |
Publisher | : |
Total Pages | : 0 |
Release | : 2016 |
Genre | : |
ISBN | : |
Download Characterization of Neutron Fields Around an Intense Neutron Generator Book in PDF, ePub and Kindle
Neutron fields in the vicinity of the University of Ontario Institute of Technology neutron facility have been investigated in a series of simulations and experiments. The neutron fluence at several locations around the neutron generator facility has been simulated using MCNPX 2.7E Monte Carlo particle transport program. The P-385 neutron generator is configured to function with a deuterium-deuterium fusion reaction using accelerated charged deuterons colliding with a metal deuteride target. This fusion reaction is characterized by an anisotropic angular and energy distribution in the centre-of-mass and laboratory frames of reference. Three neutron sources were modelled in the simulation with distributions corresponding to different incident deuteron energies of 130 keV, 110 keV, and 90 keV. An idealized isotropic source was likewise simulated for purposes of comparison and determination of the applicability of such an approximation. Along with the performed simulations and to validate the calculation, a series of experiments have been carried out to determine the dose rate measurement at locations adjacent to the generator. The collected data were used to calculate the neutron intensity of the P-385 neutron generator. The measurements were taken using bubble detectors with different sensitivities. Also, the total dose rates corresponding to applied acceleration potentials were estimated at various locations, utilizing a thin target approximation.
Author | : Julius Csikai |
Publisher | : CRC Press |
Total Pages | : 264 |
Release | : 1987-09-30 |
Genre | : Science |
ISBN | : |
Download Handbook of Fast Neutron Generators, Volume I Book in PDF, ePub and Kindle
This handbook reviews those problems and methods of science and technology where the neutrons produced in the 3H/d, N/4He, and 2H/d, n/3He reactions play the main role. This two-volume set: Discusses possible applications of these small generators as thermal neutron sources Enables suitable topics to be selected for education and training, provides a wide range of experiments with the detection of neutrons and charged particles, including the study of shielding and the generator technology itself Gives a review of important operational characteristics of neutron generators and the necessary instruments connected with these applications Provides an account of recent results of fast neutron activation analysis in various fields.
Author | : International Atomic Energy Agency |
Publisher | : IAEA Radiation Technology Repo |
Total Pages | : 145 |
Release | : 2012 |
Genre | : Science |
ISBN | : 9789201251107 |
Download Neutron Generators for Analytical Purposes Book in PDF, ePub and Kindle
This publication addresses recent developments in neutron generator (NG) technology. It presents information on compact instruments with high neutron yield to be used for neutron activation analysis (NAA) and prompt gamma neutron activation analysis in combination with high count rate spectrometers. Traditional NGs have been shown to be effective for applications including borehole logging, homeland security, nuclear medicine and the on-line analysis of aluminium, coal and cement. Pulsed fast thermal neutron analysis, as well as tagged and timed neutron analysis, are additional techniques which can be applied using NG. Furthermore, NG can effectively be used for elemental analysis and is also effective for analysis of hidden materials by neutron radiography. Useful guidelines for developing NG based research laboratories are also provided in this publication.
Author | : |
Publisher | : |
Total Pages | : |
Release | : 1979 |
Genre | : |
ISBN | : |
Download Characterization for Fusion First-wall Damage Studies of Using Tailored D-T Neutron Fields Book in PDF, ePub and Kindle
The approximation required to apply the Bullough-Haynes results to the present calculations is somewhat crude and may imply that the details of the results contain considerable error. However, when the results for each neutron source are viewed in a relative context, several valid and important observations can be made. The almost identical swelling results obtained for the intense neutron source (INS) with a standard blanket and the fusion first wall are most striking. A further comparison with a fusion reactor shows that even the spatial and energy distributions of the neutron flux are similar. In both the INS with blanket and at the first wall of a fusion reactor, there is a radial source flux component of 14-MeV neutrons and a more or less isotropic flux component of low energy (
Author | : Julius Csikai |
Publisher | : CRC Press |
Total Pages | : 248 |
Release | : 1987-09-30 |
Genre | : Science |
ISBN | : |
Download Handbook of Fast Neutron Generators, Volume II Book in PDF, ePub and Kindle
This handbook reviews those problems and methods of science and technology where the neutrons produced in the 3H/d, N/4He, and 2H/d, n/3He reactions play the main role. This two-volume set: Discusses possible applications of these small generators as thermal neutron sources Enables suitable topics to be selected for education and training, provides a wide range of experiments with the detection of neutrons and charged particles, including the study of shielding and the generator technology itself Gives a review of important operational characteristics of neutron generators and the necessary instruments connected with these applications Provides an account of recent results of fast neutron activation analysis in various fields.
Author | : J. M. Carpenter |
Publisher | : Cambridge University Press |
Total Pages | : 539 |
Release | : 2015-09-24 |
Genre | : Science |
ISBN | : 0521857813 |
Download Elements of Slow-Neutron Scattering Book in PDF, ePub and Kindle
This book provides a comprehensive and up-to-date introduction to the fundamental theory and applications of slow-neutron scattering.
Author | : David L. Chichester |
Publisher | : |
Total Pages | : |
Release | : 2006 |
Genre | : |
ISBN | : |
Download Radiation Fields in the Vicinity of Compact Accelerator Neutron Generators Book in PDF, ePub and Kindle
Intense pulsed radiation fields emitted from sealed tube neutron generators provide a challenge for modern health physics survey instrumentation. The spectral sensitivity of these survey instruments requires calibration under realistic field conditions while the pulsed emission characteristics of neutron generators can vary from conditions of steady-state operation. As a general guide for assessing radiological conditions around neutron generators, experiments and modeling simulations have been performed to assess radiation fields near DD and DT neutron generators. The presence of other materials and material configurations can also have important effects on the radiation dose fields around compact accelerator neutron generators.
Author | : Eric Gerhardt Frank |
Publisher | : |
Total Pages | : 148 |
Release | : 1978 |
Genre | : Neutrons |
ISBN | : |
Download Characterization of Neutron Fields from Moderated Cf-252 and PuBe Sources Book in PDF, ePub and Kindle
Author | : B. W. Sargent |
Publisher | : |
Total Pages | : 8 |
Release | : 1946 |
Genre | : Neutron sources |
ISBN | : |
Download Photoneutron Sources Book in PDF, ePub and Kindle
Author | : David K. Bewley |
Publisher | : CRC Press |
Total Pages | : 206 |
Release | : 1989-10-01 |
Genre | : Medical |
ISBN | : 9780852740934 |
Download The Physics and Radiobiology of Fast Neutron Beams Book in PDF, ePub and Kindle
Over fifty years have passed since the first patient was treated with fast neutrons, but this form of therapy is still a matter of bitter dispute. Neutron generators have been installed in many countries and now patients can be treated with equipment that is technically similar to modern megavoltage x-ray equipment. The Physics and Radiobiology of Fast Neutron Beams presents a full discussion of the physical and radiobiological factors governing the production and use of fast neutron beams for therapy. The book discusses vastly improved neutron generators, advances in the standardization of dosimetric methods, and the specification of radiation quality. In addition, it explores nuclear methods of analysis, particularly neutron activation analysis in vivo. Influencing the place of radiotherapy with neutrons and other heavy particles, the radiobiological factors governing the treatment of cancer with radiation are examined. The author also studies the radiation hazard of neutrons, a matter of importance in the use of neutrons for chemical analysis in vivo. The Physics and Radiobiology of Fast Neutron Beams will be a valuable introduction to the subject for radiotherapists, medical physicists, radiographers, and radiobiologists new to the field. The book is also a useful summary of current knowledge for those already established in the use of fast neutrons for medical purposes.